1. 1

2. 2 Phys 181-701 Astronomy

3. 3 “MOON IS SPACE CREATURE’S SKULL!” Weekly World News – July 5, 1988 “Space is the region above the earth’s atmosphere.” Science Probe I – 8 th Grade Textbook - 1996

4. 4 ASTRONOMY The study of matter and energy in our Universe

5. 5 Scale Scale Scale Scale Scale And the art of measuring things.

6. 6 Fundamental Properties MASS (kg) or (g)(slugs)(grains) TIME (s) or (hours)(eons) LENGTH (m) or (km)(parsec)(light-years) CHARGE (C) known as Coulombs

7. 7 Scientific Notation 602000000000000000000000 = 6.02 x 10 23 Scientific Notation

8. 8 MASS

9. 9 TIME

10. 10 LENGTH

11. 11 MAKING MEASUREMENTS

12. 12 Measuring Angles

13. 13 Degrees

14. 14 Approximate angles

15. 15 Angle Example

16. 16 Small angle formula

17. 17 Distance units

18. 18 Parsec Definition

19. 19 Converting Units

20. 20 SOLAR MAP

21. 21 Relative Sizes in Our Solar System and Beyond

22. 22 Big universe

23. 23 Handy Scale

24. 24

25. 25 Celestial Sphere

26. 26

27. 27 Constellations and the year

28. 28 Temperature and the seasons

29. 29

30. 30

31. 31 Precession of the pole

32. 32

33. 33 SKYCHART III OBSERVATIONS OF THE SKY